Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Very abruptly towards the end of the reaction Exponentially with time Linearly with time Logarithmically with time Very abruptly towards the end of the reaction Exponentially with time Linearly with time Logarithmically with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Specific rate constant for a second order reaction Varies with temperature Both B and C Is independent of temperature Depends on the nature of the reactants Varies with temperature Both B and C Is independent of temperature Depends on the nature of the reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Transition state theory relates the above quantities as K ∝ e-E/RT K ∝ √T K ∝ T1.5 K ∝ T.eE/RT K ∝ e-E/RT K ∝ √T K ∝ T1.5 K ∝ T.eE/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the Time for completion of the reaction is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Time for half change is independent of the initial concentration Reaction rate is trebled when the initial concentration is trebled Time for completion of the reaction is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Time for half change is independent of the initial concentration Reaction rate is trebled when the initial concentration is trebled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is proportional to CA0-1 , if the reaction is of __________ order. First Second Third Zero First Second Third Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is < 1 1 > 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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